{
  "paper": {
    "school": "Maha Bodhi",
    "year": 2022,
    "level": "P1",
    "label": "Topical Review 1",
    "source_prefix": "Maha Bodhi 2022 P1 Topical Review 1",
    "has_answer_key": true
  },
  "questions": [
    {
      "n": 1,
      "type_id": 0,
      "question": "Draw lines to match each shape to its name.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 26,
      "difficulty_id": 1,
      "explanation": "The round shape is a circle; the three-sided shape is a triangle.",
      "hints": ["A circle is perfectly round with no corners.", "A triangle has 3 straight sides and 3 corners."],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q1",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 1,
      "image_loc": "upper-middle of page: a circle and a triangle on the left, name labels (triangle / circle / rectangle) on the right",
      "notes": "Genuinely interactive match-by-drawing task; no app question type. Answer key: circle->circle, triangle->triangle. SKIPPED on insert."
    },
    {
      "n": 2,
      "type_id": 2,
      "question": "Counting from the right, the 5th watermelon is the [?] watermelon from the left.",
      "answer0": "3rd",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 7,
      "difficulty_id": 1,
      "explanation": "There are 7 watermelons. The 5th from the right is the 3rd from the left (7 - 5 + 1 = 3).",
      "hints": ["Count the watermelons starting from the right end.", "There are 7 watermelons in total."],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q2",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 1,
      "image_loc": "lower half of page: a row of 7 watermelon half-slices with a 'Right' label at the right end",
      "notes": "Original is 'Circle the 5th watermelon from the right' (interactive). Converted to FIB on ordinal position. 7 watermelons; answer key marks the 3rd from left."
    },
    {
      "n": 3,
      "type_id": 1,
      "question": "Look at the figure. Choose the two shapes that formed it.",
      "answer0": "rectangle and semicircle",
      "answer1": "square and semicircle",
      "answer2": "rectangle and triangle",
      "answer3": "square and circle",
      "correct_answer": 0,
      "skill_id": 26,
      "difficulty_id": 2,
      "explanation": "The mushroom-like figure is made from a tall rectangle (the stem) and a semicircle (the cap).",
      "hints": ["Look at the rounded top and the straight-sided bottom separately.", "The top is half of a circle; the bottom is a long four-sided shape."],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q3",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 2,
      "image_loc": "middle of page, left cell of the table: the mushroom-shaped figure (semicircle on top of a rectangle)",
      "notes": "Original is 'circle the two shapes' from a set of rectangle/semicircle/square. Converted to MCQ. Answer key circles the rectangle and the semicircle. Figure (left cell) is required; the right-cell option shapes need not be cropped since options are text."
    },
    {
      "n": 4,
      "type_id": 1,
      "question": "Write the number word for 20.",
      "answer0": "twenty",
      "answer1": "twelve",
      "answer2": "two",
      "answer3": "twenty-one",
      "correct_answer": 0,
      "skill_id": 3,
      "difficulty_id": 1,
      "explanation": "20 is written in words as 'twenty'.",
      "hints": ["20 is two tens.", "It rhymes with 'plenty'."],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q4",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Word answer converted to MCQ (text fill-in grading is fragile). Answer key: twenty."
    },
    {
      "n": 5,
      "type_id": 2,
      "question": "Complete the number pattern. 17, 16, 15, [?], 13, 12",
      "answer0": "14",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 6,
      "difficulty_id": 1,
      "explanation": "The numbers decrease by 1 each step, so the missing number between 15 and 13 is 14.",
      "hints": ["Each number is 1 less than the one before.", "What comes between 15 and 13?"],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q5",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Pattern is in decorative star shapes but values are legible; rendered as text. Answer key: 14."
    },
    {
      "n": 6,
      "type_id": 2,
      "question": "How many hearts are there altogether? [?] + [?] = [?]",
      "answer0": "6",
      "answer1": "9",
      "answer2": "15",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 11,
      "difficulty_id": 1,
      "explanation": "The first box has 6 hearts (2 rows of 3) and the second has 9 hearts (3 rows of 3). 6 + 9 = 15.",
      "hints": ["Count the hearts in each box separately.", "Add the two groups together."],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q6",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 3,
      "image_loc": "upper-middle of page: two rounded boxes of black hearts (left box 6 hearts, right box 9 hearts)",
      "notes": "Count-to-verify: left box = 6 hearts, right box = 9 hearts. Answer key: 6 + 9 = 15. Crop must show both heart boxes."
    },
    {
      "n": 7,
      "type_id": 2,
      "question": "Complete the subtraction equation. 12 - 5 = [?]",
      "answer0": "7",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 13,
      "difficulty_id": 1,
      "explanation": "12 - 5 = 7.",
      "hints": ["Start at 12 and count back 5.", "12 take away 5 leaves 7."],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q7",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Operands 12 and 5 are pre-filled in the printed boxes; only the result blank. Answer key: 7."
    },
    {
      "n": 8,
      "type_id": 2,
      "question": "Write the missing number in the box. 3 + [?] = 16",
      "answer0": "13",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 11,
      "difficulty_id": 2,
      "explanation": "3 plus the missing number gives 16, so the missing number is 16 - 3 = 13.",
      "hints": ["What do you add to 3 to make 16?", "16 - 3 = ?"],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q8",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Number-bond / arrow diagram (3 + box -> 16) rendered as an equation FIB. Answer key: 13."
    },
    {
      "n": 9,
      "type_id": 2,
      "question": "Joe has 7 white balloons. May has 4 black balloons. They have [?] balloons altogether.",
      "answer0": "11",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 1,
      "explanation": "7 white balloons plus 4 black balloons is 7 + 4 = 11 balloons altogether.",
      "hints": ["Add Joe's balloons to May's balloons.", "7 + 4 = ?"],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q9",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "1-step add word problem; balloon picture is decorative (counts 7 white + 4 black match the text). Answer key: 11."
    },
    {
      "n": 10,
      "type_id": 2,
      "question": "There are 18 burgers. The children ate 8 burgers. How many burgers are left? 18 - 8 = [?]",
      "answer0": "10",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 15,
      "difficulty_id": 1,
      "explanation": "18 burgers minus the 8 eaten leaves 18 - 8 = 10 burgers.",
      "hints": ["Take away the burgers that were eaten.", "18 - 8 = ?"],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q10",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "1-step subtraction word problem; burger picture (18 burgers) is decorative and matches the text. Answer key: 18 - 8 = 10."
    },
    {
      "n": 11,
      "type_id": 2,
      "question": "Arrange the numbers in order, beginning with the smallest number. 12, 19, 8. [?], [?], [?]",
      "answer0": "8",
      "answer1": "12",
      "answer2": "19",
      "answer3": null,
      "correct_answer": null,
      "skill_id": 5,
      "difficulty_id": 1,
      "explanation": "Ordering from smallest to largest: 8, 12, 19.",
      "hints": ["Find the smallest number first.", "8 is less than 12, and 12 is less than 19."],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q11",
      "image_needed": false,
      "image_options": false,
      "image_file": null,
      "image_page": null,
      "image_loc": null,
      "notes": "Ordering task converted to FIB (one blank per position, smallest first). Answer key: 8, 12, 19."
    },
    {
      "n": 12,
      "type_id": 2,
      "question": "There are [?] fewer black buses than white buses.",
      "answer0": "5",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 13,
      "difficulty_id": 2,
      "explanation": "There are 9 white buses and 4 black buses. 9 - 4 = 5, so there are 5 fewer black buses.",
      "hints": ["Count the white buses and the black buses.", "9 - 4 = ?"],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q12",
      "image_needed": true,
      "image_options": false,
      "image_page": 6,
      "image_file": null,
      "image_loc": "top of page: rows of small white (outline) buses and a row of black (filled) buses; the comparison sentence with mini black-bus and white-bus icons is below",
      "notes": "Count-to-verify: 9 white buses, 4 black buses. Answer key: 5. Stem strips the icon references; crop must show both bus groups so the counts are visible."
    },
    {
      "n": 13,
      "type_id": 2,
      "question": "There are 9 trees planted in a row. The tree at the same position from the left and right is the [?] tree.",
      "answer0": "5th",
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 7,
      "difficulty_id": 2,
      "explanation": "With 9 trees, the middle tree is the 5th from the left and also the 5th from the right.",
      "hints": ["The middle of 9 trees is the same distance from both ends.", "5th from the left is also 5th from the right."],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q13",
      "image_needed": true,
      "image_options": false,
      "image_page": 6,
      "image_file": null,
      "image_loc": "lower-middle of page: a row of 9 trees with 'Left' label on the left and 'Right' label on the right",
      "notes": "Original is 'Circle the tree...' (interactive). Converted to FIB on ordinal position. Answer key circles the 5th (middle) tree."
    },
    {
      "n": 14,
      "type_id": 1,
      "question": "How are the shapes grouped?",
      "answer0": "By size",
      "answer1": "By colour",
      "answer2": "By number of sides and vertices",
      "answer3": null,
      "correct_answer": 0,
      "skill_id": 26,
      "difficulty_id": 2,
      "explanation": "The left box holds the small shapes and the right box holds the large shapes, so they are grouped by size.",
      "hints": ["Compare the shapes in the two boxes.", "Are they sorted by how big they are, their colour, or their sides?"],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q14",
      "image_needed": true,
      "image_options": false,
      "image_page": 7,
      "image_file": null,
      "image_loc": "upper half of page: two rounded boxes of shapes (left box has small circle/rectangle/triangle/square; right box has larger square/triangle/circle/rectangle)",
      "notes": "Tick-the-correct-box rendered as 3-option MCQ. Answer key: By size."
    },
    {
      "n": 15,
      "type_id": 0,
      "question": "Copy the figure to the grid.",
      "answer0": null,
      "answer1": null,
      "answer2": null,
      "answer3": null,
      "correct_answer": null,
      "skill_id": 26,
      "difficulty_id": 2,
      "explanation": "Reproduce the lines from the left grid cell-by-cell into the empty grid on the right.",
      "hints": ["Match each line to the same grid squares.", "Work one square at a time."],
      "source": "Maha Bodhi 2022 P1 Topical Review 1 Q15",
      "image_needed": true,
      "image_options": false,
      "image_file": null,
      "image_page": 8,
      "image_loc": "upper part of page: left grid contains a figure (diagonal/arrow lines); right grid is empty",
      "notes": "Genuinely interactive draw/copy task; no app question type. SKIPPED on insert. Answer key shows the copied figure."
    }
  ]
}